The Altoona Curve are a first-place team. The Portland Sea Dogs are fighting to reach .500.

Altoona showed that winning edge Tuesday night, beating the Sea Dogs 5-3 before 6,321 at Hadlock Field.

The Sea Dogs swatted 10 hits. Teddy Stankiewicz recorded his 11th quality start.

But Portland also couldn’t drive in enough runs, leaving 11 on base, including two bases-loaded squanders early.

Danny Mars, Henry Urrutia, Mike Olt and Jordan Procyshen had multiple-hit games for the Sea Dogs, who dropped to 57-61, in fourth place in the Eastern League East Division.

Altoona (63-57) remained in first place in the West.

Stankiewicz (4-5) got into trouble immediately. Leadoff hitter Cole Tucker tripled to right field. Pablo Reyes followed with his ninth home run, a shot over the left-field wall. Stankiewicz, in his second season with the Sea Dogs, lasted six innings (three runs on seven hits).

Mars began the bottom of the first with a single but was thrown out at second when he overslid the base. Altoona starter J.T. Brubaker (7-4) then walked the bases loaded, but Josh Ockimey struck out and Urrutia flied out.

Mars singled in a run in the second, but Portland missed another chance in the third, loading the bases again with one out. Josh Tobias popped out to short and Procyshen grounded out.

Altoona scored three in the seventh (two off reliever Josh Smith) for a 5-1 lead.

Portland scored two in the eighth, including a Procyshen RBI double.

Tate Scioneaux of Altoona recorded his 12th save with a 1-2-3 ninth.

NOTES: Fans began lining up at Hadlock three hours before the game to be among the first to receive Yoan Moncada bobblehead dolls, given to the first 1,000 fans. Moncada played for the Sea Dogs last year and was traded to the White Sox in the offseason. … Former Boston Celtics player (and current TV analyst) Brian Scalabrine threw out the first pitch. Scalabrine filled in for Celtics forward Jaylen Brown, who canceled his scheduled appearance at Hadlock. … Wednesday’s game will begin at 6 p.m. because of the scheduled fireworks afterward. … Before Wednesday’s game, the South Portland American Little League team will be recognized. … Procyshen had a good night behind the plate, throwing out both attempted base-stealers. … Mars was 2 for 5 with two RBI and bumped his average to .312, second-best in the Eastern League. … Third baseman Michael Chavis had a scheduled day off. … Left-hander Dedger Jimenez (3-0, 3.27) will make his fifth start for the Sea Dogs on Wednesday night.